13172501345 has 16 divisors (see below), whose sum is σ = 16078137600. Its totient is φ = 10357502400.

The previous prime is 13172501339. The next prime is 13172501473. The reversal of 13172501345 is 54310527131.

It is not a de Polignac number, because 13172501345 - 2²⁴ = 13155724129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411260 + ... + 442130.

It is an arithmetic number, because the mean of its divisors is an integer number (1004883600).

Almost surely, 2^13172501345 is an apocalyptic number.

It is an amenable number.

13172501345 is a deficient number, since it is larger than the sum of its proper divisors (2905636255).

13172501345 is a wasteful number, since it uses less digits than its factorization.

13172501345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32336.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 13172501345 in words is "thirteen billion, one hundred seventy-two million, five hundred one thousand, three hundred forty-five".